Update gradio_app.py

gradio_app.py

@@ -63,7 +63,7 @@ def sam_init():
 
 def sam_segment(sam_model, sam_processor, input_image, *bbox_coords):
     bbox = torch.tensor(bbox_coords, dtype=torch.float32)
-    bbox =  bbox.unsqueeze(0)
+    bbox =  bbox.unsqueeze(0).unsqueeze(0)
     image = np.asarray(input_image)
 
     start_time = time.time()